projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| b32b8144 | 1 | // Copyright Louis Dionne 2013-2017 |
| 7c673cae FG |
2 | // Distributed under the Boost Software License, Version 1.0. |
| 3 | // (See accompanying file LICENSE.md or copy at http://boost.org/LICENSE_1_0.txt) | |
| 4 | ||
| 5 | #ifndef BOOST_HANA_TEST_AUTO_TRANSFORM_HPP | |
| 6 | #define BOOST_HANA_TEST_AUTO_TRANSFORM_HPP | |
| 7 | ||
| 8 | #include <boost/hana/assert.hpp> | |
| 9 | #include <boost/hana/equal.hpp> | |
| 10 | #include <boost/hana/transform.hpp> | |
| 11 | ||
| 12 | #include "test_case.hpp" | |
| 13 | #include <laws/base.hpp> | |
| 14 | ||
| 15 | ||
| 16 | TestCase test_transform{[] { | |
| 17 | namespace hana = boost::hana; | |
| 18 | using hana::test::ct_eq; | |
| 19 | struct undefined { }; | |
| 20 | constexpr hana::test::_injection<0> f{}; | |
| 21 | ||
| 22 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
| 23 | hana::transform(MAKE_TUPLE(), undefined{}), | |
| 24 | MAKE_TUPLE() | |
| 25 | )); | |
| 26 | ||
| 27 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
| 28 | hana::transform(MAKE_TUPLE(ct_eq<1>{}), f), | |
| 29 | MAKE_TUPLE(f(ct_eq<1>{})) | |
| 30 | )); | |
| 31 | ||
| 32 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
| 33 | hana::transform(MAKE_TUPLE(ct_eq<1>{}, ct_eq<2>{}), f), | |
| 34 | MAKE_TUPLE(f(ct_eq<1>{}), f(ct_eq<2>{})) | |
| 35 | )); | |
| 36 | ||
| 37 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
| 38 | hana::transform(MAKE_TUPLE(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}), f), | |
| 39 | MAKE_TUPLE(f(ct_eq<1>{}), f(ct_eq<2>{}), f(ct_eq<3>{})) | |
| 40 | )); | |
| 41 | ||
| 42 | BOOST_HANA_CONSTANT_CHECK(hana::equal( | |
| 43 | hana::transform(MAKE_TUPLE(ct_eq<1>{}, ct_eq<2>{}, ct_eq<3>{}, ct_eq<4>{}), f), | |
| 44 | MAKE_TUPLE(f(ct_eq<1>{}), f(ct_eq<2>{}), f(ct_eq<3>{}), f(ct_eq<4>{})) | |
| 45 | )); | |
| 46 | ||
| 47 | #ifndef MAKE_TUPLE_NO_CONSTEXPR | |
| 48 | struct incr { | |
| 49 | constexpr int operator()(int i) const { return i + 1; } | |
| 50 | }; | |
| 51 | ||
| 52 | static_assert(hana::equal( | |
| 53 | hana::transform(MAKE_TUPLE(1), incr{}), | |
| 54 | MAKE_TUPLE(2) | |
| 55 | ), ""); | |
| 56 | ||
| 57 | static_assert(hana::equal( | |
| 58 | hana::transform(MAKE_TUPLE(1, 2), incr{}), | |
| 59 | MAKE_TUPLE(2, 3) | |
| 60 | ), ""); | |
| 61 | ||
| 62 | static_assert(hana::equal( | |
| 63 | hana::transform(MAKE_TUPLE(1, 2, 3), incr{}), | |
| 64 | MAKE_TUPLE(2, 3, 4) | |
| 65 | ), ""); | |
| 66 | ||
| 67 | static_assert(hana::equal( | |
| 68 | hana::transform(MAKE_TUPLE(1, 2, 3, 4), incr{}), | |
| 69 | MAKE_TUPLE(2, 3, 4, 5) | |
| 70 | ), ""); | |
| 71 | #endif | |
| 72 | }}; | |
| 73 | ||
| 74 | #endif // !BOOST_HANA_TEST_AUTO_TRANSFORM_HPP |